In general any big box store that sells devices containing lion/lipo batteries will also have a recycling point for them. I can't remember if there is an actual law governing that, but I assume it isn't out of the goodness of the corporations hearts.

Stores like Home Depot, Lowes, Walmart, Wegmans, Target, etc all have boxes you can drop bare lithium battery cells into. Usually right at the front of the store tucked off to the side somewhere. They usually have bags provided at the box to put the cells into. I deal with a lot of lipo batteries & don't want to be responsible for a fire, so I usually electrical tape the +/- terminals before dropping off as well.

I don't live in the US so it may be different but the big box stores near me all have signs on their dropboxes saying you can throw devices with internal batteries but not loose batteries

Wrap it in tape with an LED attached. Now it’s a device with internal battery, problem solved :)

Some hobby shops do nearly exactly this to get around import restrictions. Whether it’s inside something or not it’s still a lipo battery, imo it’s a silly rule and worth breaking.